Metallic roller.



W. W. WATSON.

METALLIC ROLL ER. APPLlCATlON FILED 'MAY'Q. 191a.

1,2873 52a Patented De0.10, 1918.

2 SHEETSSHEET I.

W. W. WATSON.

METALLIC ROLLER.

APPLICATION FILED MAYQ, I918.

1,28'?,l52, Patented Dec. 10, 1918.

2 SHEETSSHEET 2.

., I I a I a i v To all whom it may concern:

TE TATES WILLIAM w. warson, or

PA i p umns'rown', EW YORK.

METALLIC ROLLER.

Application filed may 9, 1918. Serial No. 233,403.

Be it known that I, WILLIAM WATSON, a citizen of the United States, residing at the city of Jamestown, in the cormty of Chautauqua and State of New York, have invented certain new and useful Improvements in Metallic Rollers, of which the following, taken in connection with the accompanying drawings, is a specification. I

The invention relates to metallic rollers. for shelving and particularly for book shelves; and the object of the improvement is to provide a light and strong struck-up two-part sheet metal roller which has strongly braced tubularend journal por-' tions for rotative mounting on a shaft, the parts being so shaped and braced that the completed roller rotates easily when heavy. books pass over the same and has a smooth exterior which does not injure the books; and the invention consists in the novel features and combinations hereinafter set forthand claimed. i

In the drawings, Figure l is a perspective view of the finished roller showmg'one of the tubular end bearings and the drainage holes in said end; and Fig. 2 is a sidewise' elevation of the same. Fig. 3 is asectional view at line 33 in Fig. 2 of the outer casing of the roller, the interior radially bracing portion being shown in the positidn which it assumes when the two sheet metalparts arefully assembled into the finished roller by suitable dies. Fig. 4 is a crosswise sectional view at line 4-4 in Fig. 2 showing the shape and radial arrangement of the inner bracing portion for the outer part. Fig. 5 is aplan view of the blank for the outer casing with the ends-notched and' shaped for turning inwardly upon the tubular bearing portions of the inner part; and Fig. 6

is an elevation of" the next step informing the roller casing in which the blank shown .in Fig. 5 is turned into a .cylindrical tube" ready for the inward turning ofthe ends. Fig. 7 is a sidewise elevation and Fig. 8 is an endwise elevation of thestruck. up

I 1 inner bracing or supporting portion for the outer cylindrical portion ready for insertion.

in the casing tube shown in ig. 6 showing the,tubular bearings at each end and the lengthwise curved radial supporting bars forthe inner walls of the cyl nder. Figs.- 9 and 10 Show-the preceding step in shaping the inner bracing portion'to that shown in.

Figs. 7 and 8 with the cylindrical ends and semi-circular bar portions in the U-sha ready for closure into the shape shown 1n Figs. and 8. Figs. 11 and 12 show the preliminary step in the first step toward the U-shaped struck up inner portion in which onnicn.

rotatably mounted on its shaft which shaft is usually apart of the book shelf; Like characters of reference refer to corresponding parts in the several views;

The numeral 20 designates. the blank of fiat sheet metal which forms the outer tube or casing portion, having V shaped notches 21 and U-shaped notches'22 in the ends thereof ready for turning into radial at-' tachment over the inner portion of the two-part roller 23, the U-shapednotches forming drainageand ventilating'holes 24 for the ends "of the roller to prevent sweating and rusting, said blank 20'being struck the diminished end portions 27 which are shaped sufficiently narrow to permit their being upset or turning inward upon themselves under end pressure after being shaped by suitable dies into the radially spaced position The shaping into the cylindrical a... is

attained by a series of steps. The first step in shaping after blanking out the form 26 is shown in Figs. 11 and 12, in which the end portions 28 are turned at their edges slightly toward the desired tubular form." The central bar portions 29am given their desired semi-cylindrical curved" shape throughout their length while the narrowed portions 27 pressed as shown in F1 s. 9 and 10 to their nearly full outward pro ection as they carry the curved bars 29, while the end portions.

28 are turned into the U-shapeshown in I; are bent to one side preparatory to being 4 form for the tubular bearing ends 28, there- -by at'the same time correctly spacing the bar portions 29 so as to bear squarely against the inner walls of the cylindrical casing.

The next step in the formation of the roller 23 is the insertion of the inner bracing portion 25 shaped as shown in Figs. 7 and 8 within the tubular' cylindrical portion 30 formed from the blank 20. The notched end portions 21 and 22 of the cylindrical casing are crimped inward u on the tubular end portions 28 and said tu ular end portions 28 are pressed inwardly toward one another within the cylinder 30 by means of closure dies which fit overthe' ends of the roller 23, being shaped to guide the notched end portions 21 and 22 into exact contact with the outer ends of the tubular bearings 28 with radial contacting edges, with the exception of the U-sha ed notches 22 which form the drainage ho es 24 as hereinbefore described- The narrowed parts 27- are upset upon'themselves into the S-shape shown in Fig. 3 which n -setting of the three sheet metal portions 2 at each end causes the three curved bar portions 29 to be pressed outwardly against the inner wall of the cylinder 30, bracing and interlocking both the parts of the roller into fixed alinement from which they cannot be separated without destroying the roller. Y

The closure dies are so formed as to hold the tubular portions 28 firmly in their cylindrical form and press the same outwardly on the crimped ends of the notched portions 21 and 22 of the cylinder 30 so that the sheet metal parts are actually driven into one another with a solidity which interlocks and prevents the separation or rattling of said parts upon one another thereby making a roller of great rigiditv out of sheet metal. The interior supporting portion 25 is sha ed with the lengthwise bars 29 bulging slig tly at the center, as shown in Figs. 7 and 9, so that when said supporting portion 25, as shownin Fig. 7 is inserted into the cylindrical cover 30, as shown in Fig. 6, said supporting portion 25 will fit closely within said cover springing the same slightly at the joint 31 so that when the diminished portions 27 at each, end of eachof the bars 29 are upset or ,ltusad to roll or'fold inwardly in a continuous or consecutive bending movement throughout the length of said diminished portion, each of the end portions of the bars 29 are forced outwardly against the inner wall of the cover portion 30 thereby holding the bearing ends or tubular portions 28 firmly in position as thenotched ends 21 and 22 are crimped onto the same and forming a solid cooperating whole out of the entire construction.

I claim as new 1. A metal roller composed of a cover and a brace Within the cover, the brace having a tubular brace therewithin having integral bearings at its ends the-latter projecting partly within and without the ends of the brace.

3. A metal roller comprising a cylindrical cover portion, and an inner lengthwise portion for said cover portion comprising spaced bars supported on a bearing at each en 4. A metal roller comprising a cover portion an inner lengthwise bar portion, each of the lengthwise bars integral with a bearing part at each end and diminished adjacent thereto, said bearing parts pressed inward upsetting said diminished portion of said bar and bracing said parts.

5. A metal roller comprising'a round tu bular cover portion having notched ends, slotted lengthwise bracing portions for said tubular cover portion, tubular bearing ends for said bracing portion, said notched ends of said cover portion crimped onto said tubular bearing ends to hold said parts and close the ends of the roller.

6. A,metal roller comprising a tubular cover portion havin notched'ends, an inner portion consisting o spaced lengthwise bars said notched ends of said cover portion crimped onto said tubular bearing ends.

7. A metal roller comprising a tubular cover portion, an inner portion consisting of spaced lengthwise bars curved in crosssection, tubular bearing ends for said inner portion connected to said curved bars to radially support the same, the ends of said tubular cover notched and crimped onto said tubular bearing ends of said inner portion,

the connections between said tubular bearing ends and said curved bars being formed to press the curved sides of said curved bars against the inner wall of said tubular cover portion. I

. 8. A metal roller comprising a tubular covering portion having U and V-shaped notched ends to provide drainage openings by said U.-shaped notches, an inner portion struck from one piece by suitable dies to form tubular end bearing portions and cross wise curved lengthwise bar portions, the integral connecting portions between said curved bar portions and tubular end portions upset by suitable dies and said notched ends crimped by the same dies to unite said inner and outer portions into a complete roller by the movement of said dies toward one another.

9. A two-part sheet metal roller comprising a tubular cover part having notched ends, an inner portion having lengthwise slots therein and shaped to form tubular bearing ends for said roller, theconnecting portions of said inner part between said tnbular bearing ends shaped in crosswise curved lengthwise bars and extending outwardly to press against the inner wall of said tubular cover part, said connecting portions narrowed at each end and upset into S-shaped radial supports for said curved connected bar portions to support them against the inner wall of said tubular cover part, said notched ends of said tubular cover 4 part crimped onto said tubular bearing ends I of said inner part by the closure of-the same dies that upset said inner part assembling all said parts into 'close alinement with drainage holes formed by the notches.

10. In a metal roller, a cover and a brace therein, said brace having bearings at its ends extending Within the brace, the ends of the cover being extended inwardly to engage and support the outer ends of the bearings, and means to support the inner ends of the bearings from the brace.

13. A metal roller composed of a cover, a brace therein, bearings borne by the brace, and connections for the bearings extending lengthwise of the brace and bearings and interposed therebetween.

l4:- Ametal roller composed of a cover and a resilient brace, and means whereby to hold the end portions of the brace against the cover under tension. I

15. In a metal roller, a cover, and a hollow sheet metal brace in-the cover having integral tubular bearings at its ends.

16. In a metal roller, a cover, and a hollow resilient brace. in the cover having inte gral tubular bearings at its lends.

' 17. In a metal roller, a cover, a hollow sheet metal brace in the cover, and integral bearings at the ends of the brace, the ends of the cover being extended inwardly to engage and support the bearings. I 18. In a metal roller, a cover, and a hollow sheet metal brace in the cover, the ends of the cover being notched and crimped 'inwardly to form ends for the roller and to also form a ventilating opening communicating with the brace interior. I

In testimong whereof I have aflixed my signature in t e presence of two witnesses.

- WILLIAM W; WATSON.

Witnesses:

A. SANDBEBG, I. E. NoRns'rRoM, 

